package com.briup.mybatis01code.entity.extend;

import com.briup.mybatis01code.entity.Book;
import lombok.Data;

@Data
public class ShopCarBookExtend extends Book {
    private Integer num;

    @Override
    public String toString() {
        return super.toString()+"ShopCarBookExtend{" +
                "num=" + num +
                '}';
    }
}
